There is alot of discussion on here about that particular topic. Alot of folks opt for the General Exclaim UHPs over the runflats for price and performance considerations. I recently put a set of Michelin PS Cups on the rear of my car and really like them alot. Nitto also makes a popular option.
I put Michelen PS2 runflats on and I love them. They ride better than the original Goodyears, and since I take a fair number of 300+ mile trips, I just don't want to be without the runflats. If your car is a waxer that stays close to home, you might not need the runflats. :thumbsup:
I put Hankook VENTUS V12 non run flats on my 05'. The car has 573 rwhp, and the tires held the road good off the line, and threw some hard runs. Only got to drive on the tires for about a week, before the winter. I think they are going to bite even better this spring and summer, since they had good traction during 60 degree temps. Good Luck.